Author

Rocio Soto

At an independent high school in St. Paul, Minnesota, Rocio Soto teaches biology and human anatomy, connecting modern physiology to ancestral traits. She writes for Biology Insights on human evolution and our place in the animal world. Soto received a BS in life sciences from Northern Michigan University.

Why Are Men Hairy? The Science of Male Body Hair
Why Do We Have Ass Hair? The Evolutionary Reason
Why Do Guys Have Chest Hair? A Scientific Explanation
Why Do Humans Have Head Hair but Not Body Hair?
Why Do Guys Grow Facial Hair? Biology & Evolution
Why Do We Have Beards? The Evolutionary and Social Reasons
Why Do Men Grow Chest Hair? The Biology and Evolution
Why Was Curly Hair an Evolutionary Advantage?